html,body,#app{
    height: 100%;
    margin: 0;
    padding: 0;
    min-width: 1366px;
}
*{
   box-sizing: border-box; 
}

.el-breadcrumb{
    margin-bottom: 15px;
}

.el-card{
    /* ！声明该样式为最高权重 */
    box-shadow: 0 1px 1px rgba(0,0,0,0.15) !important;
}